SALISBURY, Md. (WUSA9) -- Police are investigating a trooper involved shooting that fatally wounded a man who may have hit or dragged a trooper Tuesday night with his car while trying to avoid further police investigation at the Salisbury Barrack.

Maryland State Police said they do not have too many details on the incident at this time but the investigation is ongoing. The incident happened in the area of Rt. 13. Police said the accident left both north and southbound lanes closed. State Highway Administration personnel are on the scene and have set up a detour.

According to the investigation thus far, a man went into the Salisbury Barrack a little before 8:30 p.m. and asked the duty officer to check a vehicle repair he had made after getting a safety equipment repair order. Police said the duty officer went outside to the parking spaces in front of the barrack with the man.

Shortly after, the officer called for help. Another trooper who had just left the barrack returned to help right away. Police believe both troopers fired their department issued pistols.

Authorities said the duty officer was found along the edge of the parking lot close to the entrance to Rt. 13. Police said he had injuries from either being hit or dragged by a vehicle.

Police found the man who initially come to the barrack in his vehicle about 150 yards north of the barrack on Rt. 13. Authorities said his vehicle had struck the center median guardrail on the northbound side of Rt. 13.

Both the man and the duty officer were transported to a medical center. The was pronounced dead at the hospital and the duty officer is being treated for his injuries, authorities said.